Overview:This 4TB 7200 rpm Hard Drive (IBM Part# 49Y6012) provides a 3.5-inch form factor option that can be used as a simple-swap SATA drive. The Hard Drive offerings for the IBM System x family of 3.5-inch SATA Hard Drives are the highest performing SATA options and provide a wider selection of choices to satisfy a range of applications. These drives are positioned at the top of the IBM SATA Hard Drive line.